Senior Security Architect

Clearance Level
Cyber Engineering
Washington, District of Columbia

REQ#: RQ105908

Travel Required: Less than 10%
Requisition Type: Pipeline

We are GDIT. We support and secure some of the most complex government, defense, and intelligence projects across the country. At GDIT, cyber security is not just a singular part of our mission—it connects every one of us because it’s embedded into every aspect of what we do.

GDIT is your place. You make it your own by bringing your ideas and unique perspective to our culture. By owning your opportunity at GDIT, you are helping us ensure today is safe and tomorrow is smarter.

At GDIT, people are our differentiator. As a Senior Security Architect, you will be trusted to support work on a program involving cybersecurity activities to include security architecture design, security solution engineering, network forensics, penetration testing, threat detection and incident response, threat assessments and intelligence, identity control and access management, authority to operate, ISSO support, security operations and vulnerability management.

Position Overview

Designs security architecture to include the software, hardware and communications to support the total solution as well as provide for present and future cross-functional requirements and interfaces. Provide security architecture, engineering, and integration support and technical expertise. Assess and implement latest technical and cybersecurity guidance coming from the NIST, other Federal agencies regarding current and new security initiatives, products, guidance, and direction. Oversee solutions supporting identity management and access to data and services.


  • Establishes system information security requirements using analysis in the development of enterprise-wide or large-scale information systems. 
  • Determines and identifies high level functional and technical requirements based on interactions with the user community and knowledge of the enterprise architecture. 
  • Designs security architecture to include the software, hardware and communications to support the total requirements as well as provide for present and future cross-functional requirements and interfaces. 
  • Identifies, assesses, and presents options for meeting the functional and technical requirements including hardware and software updates or upgrades. 
  • Responsible for developing high level system design diagrams. 
  • Ensures these systems are compatible and in compliance with the standards for open systems architectures, Agency architectures, and the Open Systems Interconnection (OSI) as they apply to the implementation and specification of Information Management (IM) solution of the application platform, across the application program interface (API), and the external environment/software application. 
  • Ensures that the common operating environment is compliant. 
  • Evaluates analytically and systematically problems of workflows, organization and planning and develops appropriate corrective action.
  • Create and Assist in creation of planned maturation of technical capabilities aligned to Agency strategic goals
  • Designs and implements solutions’ infrastructure, configuration, prototypes and production deployment and handoff
  • Support the delivery team in addressing customer issues
  • Participate in the creation of technical demos, briefings, and oral presentations materials
  • Technical thought leadership and SME value to client interactions
  • Provide architecture, engineering, and implementation support for solutions to include vulnerability scanning and assessment products, continuous monitoring products, tools and activities, and risk assessment and reporting products and capabilities.
  • Integrate existing security products with new hardware and software introduced to managed systems and services within the environment.
  • Provide security reviews for the acquisition, installation, fielding, training, and operation of various products to include hardware, software, and licenses.
  • Provide recommendations/baselines for secure configurations based on reviews.
  • Provide recommendations based upon risk assessment for each new project.


  • Eight (8) years of computer information technology experience.
  • Four (4) years of experience engineering and designing IT security solutions
  • Certification: CISSP (required) with ISSAP concentration (desired)
  • Bachelor Degree in Computer Science, Information Management (IM), Information Technology, Engineering, or equivalent
  • PMP certification (desired)
  • ITIL 4 Foundation certification (desired)
  • Public Trust clearance capability with National Agency Check with Inquiries (NACI)

Key Word Search strings

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About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.